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Prosthetic heart valve with upper skirt

  • US 10,660,751 B2
  • Filed: 08/06/2019
  • Issued: 05/26/2020
  • Est. Priority Date: 12/08/2009
  • Status: Active Grant
First Claim
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1. Apparatus for use at a native atrioventricular valve of a heart of a subject, the apparatus comprising a prosthetic valve structure that comprises:

  • a valve ring that circumscribes a longitudinal axis of the prosthetic valve structure;

    a plurality of prong-shaped anchors distributed around the valve ring, each of the anchors projecting from the valve ring;

    a leaflet frame, disposed within the valve ring;

    a plurality of prosthetic leaflets, coupled to the leaflet frame, and configured to facilitate upstream-to-downstream bloodflow longitudinally through the prosthetic valve structure; and

    an upper skirt,(i) comprising;

    an annular skirt fabric; and

    an annular skirt frame coupled to the valve ring by the skirt fabric,(ii) extending, radially outward and in an upstream direction, from the valve ring, and(iii) configured to rest against an atrial portion of the native atrioventricular valve.

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